/**

 * 获取客户提交上来的数据

 * @param request

 * @return

 */

private byte[] getData(HttpServletRequest request) {

    try {

        // byte[] bs = new byte[request.getContentLength()];

        // request.getInputStream().read(bs);

        // return bs;

        ServletInputStream sis = request.getInputStream();

        ByteArrayOutputStream swapStream = new ByteArrayOutputStream();

        byte[] buff = new byte[100];

        int rc = 0;

        while ((rc = sis.read(buff, 0, 100)) > 0) {

            swapStream.write(buff, 0, rc);

        }

        byte[] in2b = swapStream.toByteArray();

        return in2b;

    } catch (IOException e) {

        LogHelper.logger.error("接收数据失败", e);

    }

    return new byte[0];

}